Lesson 2 Brain Power (Handout—Period One)
Task Ⅰ Brain Power Game
1. Which is the odd one out? 2. Which of the figures at the bottom—
A,B,C, or D is the same as number 4?
3. Which is the odd one out? 4. Which one is wrong?
5. Which of the symbols should take the place of X?
Task Ⅱ Word Study One--Match the words with their definitions.
cell( ) nerve cell( ) organ( ) atom( )
identify( ) complicated( ) interpret( )
A. a part of the body that has a particular purpose, e.g. the heart, the liver
B. the smallest piece of sth. that can exist alone
C. a tiny part of the body that helps carry message to and from the brain
D. a unit of living matter
E. to explain the meaning of sth.
F. difficult; complex
G. to recognize sth.
Task Ⅲ Word Study Two--Complete the following sentences with the proper form.
cell nerve cell organ atom identify complicated interpret
1. The story is extremely _____________.
2. How many ___________ are there in the universe ?
3. The medicine is made to kill cancer ________.
4. Passengers were asked to __________ their own suitcases before they were put on the plane.
5. The eye is the ________ of sight.
6. A ___________ is a tiny part of the body that helps carry messages to and from the brain.
7. The students were asked to ___________ the poem.
Task Ⅳ Listen and fill in the blanks.
The brain is an absolutely _______________. It contains over 100 billion cells which make up
___________ connected by electrical impulses. However, there are more ___________________ in your brain than there are atoms in the universe. In the last ten years, scientist have learnt a lot about the brain. Like __________________ the world, they’ve mapped different areas of the brain which are ___________ for different functions. We now know which parts of the brain
_____________ different parts of our body and feelings from them.
Task Ⅴ Presentation Competition
Requirement:
Four students in a group to make a presentation about the brief introduction of brain within the
shortest time, one student only say one sentence. The fastest group with no mistakes will
get a reward. Attention please: Each group only get 2 mins to prepare.
Evaluation chart
Group Number
Mistake
Pronunciation
Time
1
Y N
Excellent Good So--so
2
Y N
Excellent Good So--so
3
Y N
Excellent Good So--so
4
Y N
Excellent Good So--so
5
Y N
Excellent Good So--so
Task Ⅵ Group Work. Discuss and make a list of different ways of boosting brain power.
Ways of boosting brain power:
1. _______________________________________________
2. _______________________________________________
3. _______________________________________________
4. _______________________________________________…
课件16张PPT。Unit 21 Human BiologyLesson 2 Brain Power
( Period One )Word StudyMatch the words with their definitions.cell( ) nerve cell( ) organ( ) atom( ) identify( ) complicated( ) interpret( )A. a part of the body that has a particular purpose, e.g. the heart, the liverB. the smallest piece of sth. that can exist aloneC. a tiny part of the body that helps carry message to and from the brainD. a unit of living matterE. to explain the meaning of sth.F. difficult; complexG. to recognize sth.DCABGFED.细胞C.神经细胞A.器官B.微粒；原子G.确定；认出，识别F.复杂的E.翻译，解释See your handout Task ⅡWord StudyRead Aloudcell nerve cell organ atomidentify interpret complicated(n.)(n.)(v.)(adj.)Word StudyComplete the following sentences with the proper form. cell nerve cell organ atom identify complicated interpret1.The story is extremely _____________.
2.How many ___________ are there in the
universe ?
3.The medicine is made to kill cancer ________.
4.Passengers were asked to __________ their
own suitcases before they were put on the
plane.complicatedatomscellsidentifySee your handout Task ⅢWord StudyComplete the following sentences with the proper form. cell nerve cell organ atom identify complicated interpret5.The eye is the ________ of sight.
6.A ___________ is a tiny part of the body that
helps carry messages to and from the brain.
7.The students were asked to ___________ the
poem.organnerve cellinterpretListen for general information (First-listening)While-listeningListen and answer the following questions.
How do you think the teacher feels about
his subject?
2. What example does he use to explain the way the
brain controls different parts of the body?
3. What does he compare to a film studio?
enthusiastic
a computer
the areas of the brain related to controlling
sight and hearing.1. Before you listen , read the text and
predict what kind of information you need.
2. Underline some important words in the text before each gap.
3. You can complete the gaps using abbreviations at first — this saves time. Then write them in full.
e.g. org---organization
diff---different
peo--people
While-listeningListening Strategies -- Completing a text Listen to a science lesson. Use
the strategies to complete the
gaps in this summary. You may
need more than one word in
each gap . (Ex. 2 on page 36
While-listeningSecond listeningCheck your answers:While-listeningSecond listening6. different functions7. sight and hearing8. all the time9. fear10. foreign5. atoms in the universe4. 100 billion cells3. 20﹪ 1. white2. just over a kiloThe brain is an absolutely _______________.
It contains over 100 billion cells which make up
___________ connected by electrical impulses.
However, there are more ___________________ in your
brain than there are atoms in the universe. In the last ten
years, scientist have learnt a lot about the brain. Like
__________________ the world, they’ve mapped
different areas of the brain which are ___________ for
different functions. We now know which parts of the brain
_____________ different parts of our body and feelings
from them.While-listeningThird listeningListen and fill in the blanks.amazing organnerve cellspossible connectionsexplorers exploringresponsibleare related to脉冲See your handout Task ⅣFour students in a group to make a presentation
about the brief introduction of brain within the
shortest time, one student only say one sentence.
The fastest group with no mistakes will
get a reward.
Attention please: Each group only get
2 mins to prepare.While-listeningPresentation competition 1. The brain consists of matter.
2. It weights .
3. It uses of the body’s energy.
4. It contains over which
make up nerve cells.While-listeningPresentation competition grey and whitejust over a kilo20﹪100 billion cellsWhile-listeningPresentation competition The brain consists ofIt weightsIt usesof the body’s energyIt contains overmake up nerve cells.whichAction !Use the evaluation chart.
(see your handout) Post-listening(Group Work)Discuss and make a list of different ways of improving brain power.Review the new words in Lesson 2;
Read the tape script on page 136
Write a short passage.( related to “ brain”; at least 5 sentences)
